Severity
7.8HIGH
EPSS
0.7%
top 28.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 13
Latest updateMay 24

Description

A buffer overflow in the fribidi_get_par_embedding_levels_ex() function in lib/fribidi-bidi.c of GNU FriBidi through 1.0.7 allows an attacker to cause a denial of service or possibly execute arbitrary code by delivering crafted text content to a user, when this content is then rendered by an application that uses FriBidi for text layout calculations. Examples include any GNOME or GTK+ based application that uses Pango for text layout, as this internally uses FriBidi for bidirectional text layout

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

Debianfribidi< 1.0.7-1.1+3
NVDgnu/fribidi1.0.01.0.7

Also affects: Debian Linux 10.0, 8.0, 9.0

Patches

🔴Vulnerability Details

4
GHSA
GHSA-fcm8-q275-jqv2: A buffer overflow in the fribidi_get_par_embedding_levels_ex() function in lib/fribidi-bidi2022-05-24
CVEList
CVE-2019-18397: A buffer overflow in the fribidi_get_par_embedding_levels_ex() function in lib/fribidi-bidi2019-11-13
OSV
CVE-2019-18397: A buffer overflow in the fribidi_get_par_embedding_levels_ex() function in lib/fribidi-bidi2019-11-13
OSV
linux, linux-aws, linux-gcp, linux-kvm, linux-oem, linux-oracle, linux-raspi2 vulnerabilities2019-03-05

📋Vendor Advisories

3
Red Hat
fribidi: buffer overflow in fribidi_get_par_embedding_levels_ex() in lib/fribidi-bidi.c leading to denial of service and possible code execution2019-11-07
Ubuntu
FriBidi vulnerability2019-11-07
Debian
CVE-2019-18397: fribidi - A buffer overflow in the fribidi_get_par_embedding_levels_ex() function in lib/f...2019

💬Community

3
Bugzilla
CVE-2019-18397 fribidi: stack based buffer overflow in function fribidi_get_par_embedding_levels_ex() in lib/fribidi-bidi.c leads to denial of service [epel-6]2019-12-09
Bugzilla
CVE-2019-18397 fribidi: stack based buffer overflow in function fribidi_get_par_embedding_levels_ex() in lib/fribidi-bidi.c leads to denial of service [fedora-all]2019-12-09
Bugzilla
CVE-2019-18397 fribidi: buffer overflow in fribidi_get_par_embedding_levels_ex() in lib/fribidi-bidi.c leading to denial of service and possible code execution2019-11-05
CVE-2019-18397 (HIGH CVSS 7.8) | A buffer overflow in the fribidi_ge | cvebase.io